Terraform Tutorials: Variables – Data Type – List
In this example, the security_groups variable is defined with a type of list(string), and it is given a default value of [“default”]. The AWS provider is then…
Terraform Tutorials: Variables – Data Type – Number
In this example, the instance_count variable is defined with a type of number, and it is given a default value of 1. The AWS provider is then…
Terraform: run code after resources is created using using remote-exec provisioners
The chef, file, local-exec, puppet, remote-exec, provisioner invokes a script on a remote resource only after it is created. Thus, if you add provisioner code after “terraform…
Terraform Error: Invalid reference
Solution: Declare variable with var. such as name = “${var.reponame}” instead of name = “${reponame}” Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories…
Terraform Error: Invalid variable name
Solution You must not use following variables. These names are reserved for meta-arguments in module configuration blocks, and cannot be declared as variable names. source version providers count for_each lifecycle depends_on locals Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I…
Terraform Error: Failed to read ssh private key: no key found
Solutions private_key – The contents of an SSH key to use for the connection. These can be loaded from a file on disk using the file function….
Terraform Tutorials: How to do Loop / Iterate in Terraform?
Resources Resources are the most important element in the Terraform language. Each resource block describes one or more infrastructure objects, such as virtual networks, compute instances, or…
Understanding local-exec provisioner in terraform
Terraform Provisioners can be used to do specific actions on the local machine or on a remote machine in order to prepare servers or other infrastructure resources….
Using http and https proxy in terraform
For Windows environment , set the proxy property like below in dos prompt or permanently in windows environment variable. Then run terraform script, it should work. For…
All about AWS Certified Cloud Practitioner- Foundation
This certification path is meant for individuals who are seeking to build and validate overall understanding of the AWS Cloud in spite of their specific technical roles….
PHP important topics with example
PHP:- Hypertext Preprocessor(Recursive Acronym) Server-Side Programming/Scripting Language It can be embedded directly within HTML. Files use a “.php” file extension. PHP Case Sensitivity:- PHP Comments:- PHP Variables…
Which AWS Cloud Certification Is Right for You?
It sound’s great if you’re thinking about getting AWS certified. The demand for Cloud computing skills are huge, and whether you’re looking to take your career to…
Kubernetes Resources Web References & Cheatsheet
Kubernetes custom resource definitions explained How To Install and Use Istio With Kubernetes Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked…
Microservices Web References & Cheatsheet
Microservices, Pattern and Adoption Example Apps Google’s gRPC: A Lean and Mean Communication Protocol for Microservices Microservices with Kubernetes DEMO and EXAMPLE by DOM Microservice Code Example…
Beginner guide of PHP Strings
A string is arrangement of characters, where a character is equivalent to a byte. This implies PHP just supports a 256-character set, and subsequently doesn’t offer local…
Beginner guide of PHP Functions
PHP stands for Hypertext Preprocessor. PHP (recursive abbreviation for PHP: Hypertext Preprocessor) is a broadly utilized open source universally useful scripting language that is particularly appropriate for…
Beginner guide of PHP General Types
PHP General Types means Basics of PHP programming language:- Comments & case-sensitivity Variables Includes below topic:- Integers, Booleans, Decimals, Constants Using built and functions determine types:- This…
Web References & Cheatsheet
Terraform Web References & Cheatsheet Amazon Web Services (AWS) Web References & Cheatsheet Kubeadm Web References & Cheatsheet Git Web References & Cheatsheet Jenkins Web References &…
Terraform Web References & Cheatsheet
How to Build Reusable, Composable, Battle tested Terraform Modules Video Slide Comprehensive Terraform Training by Yevgeniy Brikman Tutorials Slides Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing…
Amazon Web Services (AWS) Web References & Cheatsheet
Scalable Web App on Amazon Web Services – Part 1 AWS Certified Solutions Architect – Associate Study Notes AWS Associate Solutions Architect Exam Lab and Excercise AWS…
What are the Prerequisites to Learn Cloud Computing AWS ?
The cloud has been known to be a puzzle long ago. But now, we have pushed forward in time and we have figured out how to uncover…
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Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
Social media Image Size Web References & Cheatsheet
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
How to setup Kubernetes clustors in HTTP Proxy corporate environment
HTTP Proxy corporate environment for kubernetes can be fixed by including all my cluster node IPs in NO_PROXY and using the same NO_PROXY on all the minions…
Generate yaml file from existing Kubernetes resources of cluster?
Rajesh KumarI’m a DevOps/SRE/DevSecOps/Cloud Expert passionate about sharing knowledge and experiences. I have worked at Cotocus. I share tech blog at DevOps School, travel stories at Holiday…
What is SEO and Why Is SEO Important?
What is SEO? The full form of SEO is Search Engine Optimization. It’s refers to the method used to increase a website’s position on search engine results…
Kubernetes FAQ
Question 1 – Add containers to a Kubernetes pod on runtime or Allow containers to be added to a running pod Answer: Adding or removing containers to…
Gradle Interview questions and Answer Part 1
What are the parts of the task lifecycle? A. Configuration, Execution B. Initialization, Configuration, Execution C. Initialization, Configuration, Execution, Finalization D. Execution Ans: B. Initialization, Configuration, Execution…
Gradle Tasks are exaplained in 10 mins!
Task in Gradle is a code that Gradle execute. Everything such a each type features is powered in Gradle using Plugin. Plugins add new tasks domain objects…